Datasheet

ADF4360-8
Rev. A | Page 8 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
–150
–120
–130
–140
–70
–60
–90
–100
–110
–80
–40
–50
100 1k 10k 100k 1M 10M
FREQUENCY OFFSET (Hz)
OUTPUT POWER (dB)
04763-004
Figure 4. Open-Loop VCO Phase Noise, L1, L2 = 560 nH
–150
–125
–130
–120
–135
–140
–145
–85
–80
–95
–100
–105
–110
–115
–90
–70
–75
100 1k 10k 100k 1M 10M
FREQUENCY OFFSET (Hz)
OUTPUT POWER (dB)
04763-005
Figure 5. VCO Phase Noise, 65 MHz, 1 MHz PFD, 100 kHz Loop Bandwidth
04763-006
OUTPUT POWER (dB)
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
–2kHz –1kHz 65MHz 1kHz 2kHz
–107.4dBc/Hz
REFERENCE
LEVEL = –2.5dBm
V
DD
= 3.3V, V
VCO
= 3.3V
I
CP
= 2.5mA
PFD FREQUENCY = 1MHz
LOOP BANDWIDTH = 100kHz
RES. BANDWIDTH = 30Hz
VIDEO BANDWIDTH = 30Hz
SWEEP = 1.9SECONDS
AVERAGES = 20
Figure 6. Close-In Phase Noise at 65 MHz (1 MHz Channel Spacing)
04763-007
OUTPUT POWER (dB)
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
–1.1MHz –0.55MHz 65MHz 0.55MHz 1.1MHz
–84dBc
REFERENCE
LEVEL = –2.5dBm
V
DD
= 3.3V, V
VCO
=3.3V
I
CP
=2.5mA
PFD FREQUENCY = 1MHz
LOOP BANDWIDTH = 100kHz
RES. BANDWIDTH = 1kHz
VIDEO BANDWIDTH = 1kHz
SWEEP = 4.2SECONDS
AVERAGES = 20
Figure 7. Reference Spurs at 65 MHz
(1 MHz Channel Spacing, 100 kHz Loop Bandwidth)
–150
–120
–130
–140
–70
–60
–90
–100
–110
–80
–40
–50
100 1k 10k 100k 1M 10M
FREQUENCY OFFSET (Hz)
OUTPUT POWER (dB)
04763-008
Figure 8. Open-Loop VCO Phase Noise, L1, L2 = 110 nH
–150
–125
–130
–120
–135
–140
–145
–85
–80
–95
–100
–105
–110
–115
–90
–70
–75
100 1k 10k 100k 1M 10M
FREQUENCY OFFSET (Hz)
OUTPUT POWER (dB)
04763-009
Figure 9. VCO Phase Noise, 160 MHz, 1 MHz PFD, 100 kHz Loop Bandwidth